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Engine Mechanical - Service Specifications: Other Toyota Prius II

SERVICE DATA

New drive belt deflection
Pressing force: 98 N (10 kgf, 22 lbf)9.0 to 12.0 mm (0.35 to 0.47 in.)
Used drive belt deflection
Pressing force: 98 N (10 kgf, 22 lbf)11.0 to 15.0 mm (0.43 to 0.59 in.)
New drive belt tension392 to 588 N (40 to 60 kgf, 88 to 132 lb)
Used drive belt tension196 to 392 N (20 to 40 kgf, 44 to 88 lb)
Ignition timing8 to 12° BTDC
Idle speed950 ± 1050 rpm
Compression pressure882 kPa (9.0 kgf/cm 2 128 psi)
Minimum pressure686 kPa (7.0 kgf/cm 2 99 psi)
Difference between each cylinder98 kPa (1.0 kgf/cm 2 14 psi)
Valve clearance (cold)Intake0.17 to 0.23 mm (0.007 to 0.009 in.)
Exhaust0.27 to 0.33 mm (0.011 to 0.013 in.)
Chain elongation chain length at 16 linksMaximum124.2 mm (4.890 in.)
Camshaft timing gear diameter (w / chain)Minimum96.2 mm (3.787 in.)
Camshaft timing sprocket diameter (w / chain)Minimum96.2 mm (3.787 in.)
Chain tensioner slipper wearMaximum1.0 mm (0.039 in.)
Chain vibration damper wearMaximum1.0 mm (0.039 in.)
Cylinder head bolt lengthStandard142.8 to 144.2 mm (5.622 to 5.677 in.)
Maximum147.1 mm (5.791 in.)
Cylinder head warpageMaximum Cylinder block side0.05 mm (0.0020 in.)
Intake manifold side0.10 mm (0.0039 in.)
Exhaust manifold side0.10 mm (0.0039 in.)
Intake valve overall lengthStandard89.25 mm (3.5138 in.)
Minimum88.95 mm (3.5020 in.)
Intake valve stem diameter4.970 to 4.985 mm (0.1957 to 0.1963 in.)
Intake valve margin thicknessStandard1.0 mm (0.039 in.)
Minimum0.7 mm (0.028 in.)
Exhaust valve overall lengthStandard87.90 mm (3.4606 in.)
Minimum87.60 mm (3.4488 in.)
Exhaust valve stem diameter4.965 to 4.980 mm (0.1955 to 0.1961 in.)
Exhaust valve margin thicknessStandard1.15 mm (0.0453 in.)
Minimum0.85 mm (0.0335 in.)
Valve spring free length59.77 mm (2.3531 in.)
Valve spring deviationMaximum1.6 mm (0.063 in.)
Valve spring angle (reference)Maximum
Valve spring installed tension at 32.5 mm (1.280 in.)140 to 154 N (14.2 to 15.7 kgf, 31.5 to 34.6 lbf)
Valve spring working tension at 25.1 mm (0.988 in.)Maximum180 to 198 N (18.4 to 20.2 kgf, 40.5 to 44.5 lbf)
Bushing inside diameter5.010 to 5.030 mm (0.1972 to 0.1980 in.)
Valve guide bushing oil clearanceStandard Intake0.025 to 0.060 mm ( 0.0010 to 0.0024 in.)
Exhaust0.030 to 0.065 mm (0.0012 to 0.0026 in.)
Maximum Intake0.08 mm (0.0031 in.)
Exhaust0.10 mm (0.0039 in.)
Valve guide bush diameterStandard9.685 to 9.706 mm (0.3813 to 0.3821 in.)
O/S9.735 to 9.755 mm (0.3833 to 0.3841 in.)
Bushing Protrusion height9.0 to 9.4 mm (0.354 to 0.370 in.)
Lifter diameter30.966 to 30.976 mm (1.2191 to 1.2195 in.)
Lifter bore diameter31.009 to 31.025 mm (1.2208 to 1.2215 in.)
Oil clearanceStandard0.033 to 0.059 mm (0.0013 to 0.0023 in.)
Maximum0.10 mm (0.0039 in.)

Engine Mechanical Service Data Specification (1 Of 2)

Camshaft circle runoutMaximum0.03 mm (0.0012 in.)
Camshaft cam lobe heightStandard42.310 to 42.410 mm (1.6657 to 1.6697 in.)
Minimum42.16 mm (1.6598 in.)
Camshaft No. 1 journal diameter34.449 to 34.465 mm (1.3563 to 1.3569 in.)
Camshaft other journals diameter22.949 to 22.965 mm (0.9035 to 0.9041 in.)
No. 2 camshaft circle runoutMaximum0.03 mm (0.0012 in.)
No. 2 camshaft cam lobe heightStandard44.046 to 44.146 mm (1.7341 to 1.7380 in.)
Minimum43.90 mm (1.7283 in.)
No. 2 camshaft No. 1 journal diameter34.449 to 34.465 mm (1.3563 to 1.3569 in.)
No. 2 camshaft other journals diameter22.949 to 22.965 mm (0.9035 to 0.9041 in.)
Camshaft thrust clearanceStandard0.040 to 0.095 mm (0.0016 to 0.0037 in.)
Maximum0.11 mm (0.0043 in.)
Camshaft oil clearanceStandard0.040 to 0.095 mm (0.0016 to 0.0037 in.)
Maximum0.115 mm (0.0045 in.)
Camshaft bearing cap setting ring pin protrusion height8.5 to 9.5 mm (0.335 to 0.374 in.)
Connecting rod thrust clearanceStandard0.16 to 0.36 mm (0.0063 to 0.0142 in.)
Maximum0.36 mm (0.0142 in.)
Connecting rod oil clearanceStandard0.016 to 0.040 mm (0.0006 to 0.0016 in.)
Maximum0.06 mm (0.0024 in.)
Crankshaft thrust clearanceStandard0.09 to 0.19 mm (0.0035 to 0.0075 in.)
Maximum0.30 mm (0.0118 in.)
Cylinder block warpageMaximum0.05 mm (0.0020 in.)
Cylinder bore diameterStandard75.000 to 75.133 mm (2.9528 to 2.9580 in.)
Connecting rod out-of alignmentMaximum0.05 mm (0.0020 in.) per 100 mm (3.94 in.)
Connecting rod twistMaximum0.05 mm (0.0020 in.) per 100 mm (3.94 in.)
Piston diameter74.941 to 74.979 mm (2.9504 to 2.9519 in.)
Piston pin hole diameter at 20°C (68°F)18.013 to 18.016 mm (0.7092 to 0.7093 in.)
Piston pin diameter18.001 to 18.004 mm (0.7087 to 0.7088 in.)
Oil clearanceStandard0.009 to 0.015 mm (0.0004 to 0.0006 in.)
Maximum0.050 mm (0.0020 in.)
Piston clearanceStandard0.045 to 0.068 mm (0.0018 to 0.0027 in.)
Maximum0.08 mm (0.0032 in.)
Connecting rod inside diameter17.965 to 17.985 mm (0.7073 to 0.7081 in.)
Piston ring groove clearanceNo. 10.02 to 0.07 mm (0.0008 to 0.0028 in.)
No. 20.02 to 0.06 mm (0.0008 to 0.0024 in.)
Oil0.02 to 0.06 mm (0.0008 to 0.0024 in.)
Piston ring end gapStandard No. 10.20 to 0.30 mm (0.0079 to 0.0118 in.)
No. 20.30 to 0.45 mm (0.0118 to 0.0177 in.)
Oil0.10 to 0.40 mm (0.0039 to 0.0158 in.)
Maximum No. 10.61 mm (0.0240 in.)
No. 21.20 mm (0.0472 in.)
Oil1.15 mm (0.0453 in.)
Connecting rod bolt diameterStandard6.6 to 6.7 mm (0.260 to 0.264 in.)
Maximum6.4 mm (0.252 in.)
Crankshaft circle runoutMaximum0.03 mm (0.0012 in.)
Main journal diameter45.988 to 46.000 mm (1.8106 to 1.8110 in.)
Main journal taper and out-of-roundMaximum0.02 mm (0.0008 in.)
Crank pin diameter39.992 to 40.000 mm (1.5745 to 1.5748 in.)
Crank pin taper and out-of-roundMaximum0.02 mm (0.0008 in.)
Crankshaft timing sprocket diameter (w/ chain)Standard51.72 mm (2.0362 in.)
Maximum50.5 mm (1.988 in.)
Crankshaft bearing cap set bolt diameterStandard7.3 to 7.5 mm (0.287 to 0.295 in.)
Minimum7.3 mm (0.287 in.)
Crankshaft oil clearanceStandard0.01 to 0.023 mm (0.0004 to 0.0009 in.)
Maximum0.07 mm (0.0028 in.)
End plate straight pin protrusion11.5 to 12.5 mm (0.453 to 0.492 in.)
Oil pan straight pin protrusion8.5 to 9.5 mm (0.335 to 0.374 in.)
Cylinder head set straight pin protrusion8.5 to 9.5 mm (0.335 to 0.374 in.)
Chain tensioner straight pin protrusion18.5 to 19.5 mm (0.728 to 0.768 in.)
Oil pump set ring pin protrusion3.5 to 4.5 mm (0.138 to 0.177 in.)

Engine Mechanical Service Data Specifications (2 Of 2)